﻿using System;
using System.Configuration;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.RegularExpressions;

namespace ControllerClient
{
   

        public static class ConfigHelper
        {
            //依据连接串名字connectionName返回数据连接字符串  
            public static string GetConnectionStringsConfig(string connectionName)
            {
                //指定config文件读取
                string file = System.Windows.Forms.Application.ExecutablePath;
                System.Configuration.Configuration config = System.Configuration.ConfigurationManager.OpenExeConfiguration(file);
                string connectionString =
                    config.ConnectionStrings.ConnectionStrings[connectionName].ConnectionString.ToString();
                return connectionString;
            }

            ///<summary> 
            ///更新连接字符串  
            ///</summary> 
            ///<param name="newName">连接字符串名称</param> 
            ///<param name="newConString">连接字符串内容</param> 
            ///<param name="newProviderName">数据提供程序名称</param> 
            public static void UpdateConnectionStringsConfig(string newName, string newConString, string newProviderName)
            {
                //指定config文件读取
                string file = System.Windows.Forms.Application.ExecutablePath;
                Configuration config = ConfigurationManager.OpenExeConfiguration(file);

                bool exist = false; //记录该连接串是否已经存在  
                                    //如果要更改的连接串已经存在  
                if (config.ConnectionStrings.ConnectionStrings[newName] != null)
                {
                    exist = true;
                }
                // 如果连接串已存在，首先删除它  
                if (exist)
                {
                    config.ConnectionStrings.ConnectionStrings.Remove(newName);
                }
                //新建一个连接字符串实例  
                ConnectionStringSettings mySettings =
                    new ConnectionStringSettings(newName, newConString, newProviderName);
                // 将新的连接串添加到配置文件中.  
                config.ConnectionStrings.ConnectionStrings.Add(mySettings);
                // 保存对配置文件所作的更改  
                config.Save(ConfigurationSaveMode.Modified);
                // 强制重新载入配置文件的ConnectionStrings配置节  
                ConfigurationManager.RefreshSection("ConnectionStrings");
            }

            ///<summary> 
            ///返回*.exe.config文件中appSettings配置节的value项  
            ///</summary> 
            ///<param name="strKey"></param> 
            ///<returns></returns> 
            public static string GetAppConfig(string strKey)
            {
                string file = System.Windows.Forms.Application.ExecutablePath;
                Configuration config = ConfigurationManager.OpenExeConfiguration(file);
                foreach (string key in config.AppSettings.Settings.AllKeys)
                {
                    if (key == strKey)
                    {
                        return config.AppSettings.Settings[strKey].Value.ToString();
                    }
                }
                return null;
            }

            ///<summary>  
            ///在*.exe.config文件中appSettings配置节增加一对键值对  
            ///</summary>  
            ///<param name="newKey"></param>  
            ///<param name="newValue"></param>  
            public static void UpdateAppConfig(string newKey, string newValue)
            {
                string file = System.Windows.Forms.Application.ExecutablePath;
                Configuration config = ConfigurationManager.OpenExeConfiguration(file);
                bool exist = false;
                foreach (string key in config.AppSettings.Settings.AllKeys)
                {
                    if (key == newKey)
                    {
                        exist = true;
                    }
                }
                if (exist)
                {
                    config.AppSettings.Settings.Remove(newKey);
                }
                config.AppSettings.Settings.Add(newKey, newValue);
                config.Save(ConfigurationSaveMode.Modified);
                ConfigurationManager.RefreshSection("appSettings");
            }

            //// 修改system.serviceModel下所有服务终结点的IP地址
            //public static void UpdateServiceModelConfig(string configPath, string serverIP)
            //{
            //    Configuration config = ConfigurationManager.OpenExeConfiguration(configPath);
            //    ConfigurationSectionGroup sec = config.SectionGroups["system.serviceModel"];
            //    ServiceModelSectionGroup serviceModelSectionGroup = sec as ServiceModelSectionGroup;
            //    ClientSection clientSection = serviceModelSectionGroup.Client;
            //    foreach (ChannelEndpointElement item in clientSection.Endpoints)
            //    {
            //        string pattern = @"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b";
            //        string address = item.Address.ToString();
            //        string replacement = string.Format("{0}", serverIP);
            //        address = Regex.Replace(address, pattern, replacement);
            //        item.Address = new Uri(address);
            //    }

            //    config.Save(ConfigurationSaveMode.Modified);
            //    ConfigurationManager.RefreshSection("system.serviceModel");
            //}

            //// 修改applicationSettings中App.Properties.Settings中服务的IP地址
            //public static void UpdateConfig(string configPath, string serverIP)
            //{
            //    Configuration config = ConfigurationManager.OpenExeConfiguration(configPath);
            //    ConfigurationSectionGroup sec = config.SectionGroups["applicationSettings"];
            //    ConfigurationSection configSection = sec.Sections["DataService.Properties.Settings"];
            //    ClientSettingsSection clientSettingsSection = configSection as ClientSettingsSection;
            //    if (clientSettingsSection != null)
            //    {
            //        SettingElement element1 = clientSettingsSection.Settings.Get("DataService_SystemManagerWS_SystemManagerWS");
            //        if (element1 != null)
            //        {
            //            clientSettingsSection.Settings.Remove(element1);
            //            string oldValue = element1.Value.ValueXml.InnerXml;
            //            element1.Value.ValueXml.InnerXml = GetNewIP(oldValue, serverIP);
            //            clientSettingsSection.Settings.Add(element1);
            //        }

            //        SettingElement element2 = clientSettingsSection.Settings.Get("DataService_EquipManagerWS_EquipManagerWS");
            //        if (element2 != null)
            //        {
            //            clientSettingsSection.Settings.Remove(element2);
            //            string oldValue = element2.Value.ValueXml.InnerXml;
            //            element2.Value.ValueXml.InnerXml = GetNewIP(oldValue, serverIP);
            //            clientSettingsSection.Settings.Add(element2);
            //        }
            //    }
            //    config.Save(ConfigurationSaveMode.Modified);
            //    ConfigurationManager.RefreshSection("applicationSettings");
            //}

            private static string GetNewIP(string oldValue, string serverIP)
            {
                string pattern = @"\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b";
                string replacement = string.Format("{0}", serverIP);
                string newvalue = Regex.Replace(oldValue, pattern, replacement);
                return newvalue;
            }
        }

    
}
